Create 1090-largest-values-from-labels.js

Author: everthis

1090-largest-values-from-labels.js

@@ -0,0 +1,23 @@
+/**
+ * @param {number[]} values
+ * @param {number[]} labels
+ * @param {number} num_wanted
+ * @param {number} use_limit
+ * @return {number}
+ */
+const largestValsFromLabels = function(values, labels, num_wanted, use_limit) {
+  return Object.entries(
+    labels.reduce((ret, l, i) => {
+      ret[l] = (ret[l] || []).concat(values[i])
+      return ret
+    }, {})
+  )
+    .reduce(
+      (candi, [k, vals]) =>
+        candi.concat(vals.sort((a, b) => b - a).slice(0, use_limit)),
+      []
+    )
+    .sort((a, b) => b - a)
+    .slice(0, num_wanted)
+    .reduce((ret, n) => ret + n, 0)
+};